判断是否是回文数,输出结果的数字很奇特
#include <stdio.h>
int main()
{
int x,sum,i=0,j=1,t,a[10];
scanf("%d",&x);
while(x!=0)
{
t=x%10;/*求数字每位数字(个,十,百......)*/
x=x/10;
a[i]=t;/*把每位数字存入数组,a[0]是个位,依次类推*/
i=i+1;
}
while(j!=0)
{
sum=sum+a[i];
i=i-1;
j=j*10;
a[i]=a[i]*j;
}
if(sum==x)
{
printf("%d is palindromic number",sum);
}
else
printf("%d is not palindromic number",sum);
return 0;
}